Door Locking Device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Apr 25, 2019
app pub date -
Oct 8, 2018
filing date -
Jan 1, 2014
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A device including a doorknob, rotating disc implements, two steel connecting wires, two connecting rods, and weak-link connectors configured to disable the steel connecting wires when an excessive force is applied to the doorknob. One of the connecting rods comprises a spring loaded connecting rod configured to engage a threaded hole of a sliding bolt. The other connecting rod comprises a connecting rod configured to engage a separator pinion in the sliding bolt. The spring loaded sliding bolt enables the device to be positioned in a locked or unlocked condition. The device is configured to be installed in the center of a door to secure the door to a door frame. The door and door frame may each be made of wood or steel.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully